I hacked a little sound trapping setup with a spark fun microphone and a LED on the Arduino Uno. Connect the LED to GND and Pin 13. And the microphone VCC to 5V, GND and the AUD to A0. The program triggers when a +/- threshold from the average is peaking. Have fun,...

How to visually show the speed difference between BubbleSort and HeapSort? I used the BlinkyTape and implemented it in Processing (aka Java) with the help from BlinkyTape library. The 60 LEDs where stored in an ArrayList of the class, which contains the position on...

So you got an Arduino Micro and an Aldi LED strip for christmas and want to know how to get started with it. Here is a little project for you. At the end you will see the strand test. You will need the LED strip, a breadboard, some wires, a soldering iron, a sharp...